Home / 372,012.75-557,072.55-245,268.47

Finding the Fourth Proportional to 372,012.75, 557,072.55 and 245,268.47

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Solution

The fourth proportional to 372,012.75, 557,072.55 and 245,268.47 is: 367,278.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,012.75 : 557,072.55 = 245,268.47 : x
  2. Step 2: Convert to fraction form
    372,012.75/557,072.55 = 245,268.47/x
  3. Step 3: Cross multiply
    372,012.75x = 557,072.55 × 245,268.47
  4. Step 4: Simplify right side
    372,012.75x = 136,632,329,232.14
  5. Step 5: Solve for x
    x = 136,632,329,232.14/372,012.75
  6. Step 6: Final answer
    x = 367,278.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.